Claude Opus 5 vs o3-mini
Live Unit Economics, TTFT Latency & Reasoning Benchmark Analysis
Which model is better: Claude Opus 5 or o3-mini?
Verified Performance & Unit Economics Delta
Daily synchronized metrics from synthetic latency endpoints and benchmark evaluations.
| Metric / Dimension | Claude Opus 5 | o3-mini | Net Delta / Advantage |
|---|---|---|---|
| Input Cost / 1M Tokens | $5.00 | $1.10 | o3-mini is 4.5x cheaper |
| Output Cost / 1M Tokens | $25.00 | $4.40 | o3-mini (468.2% lower) |
| Avg TTFT Response Latency | 340ms | 1200ms | Claude Opus 5 (+860ms faster) |
| SWE-bench Verified (Coding) | 82.4% | 49.3% | Claude Opus 5 (+33.1% lead) |
| Inference Value Score (IVR) | 42.7 / 100 | 77 / 100 | o3-mini (+34.3 pts) |
Interactive Monthly Token Economics & ROI Forecaster
Model your expected production workload across prompt (input) and completion (output) tokens.
Estimated Monthly Spend
$5/1M in · $25/1M out
$1.1/1M in · $4.4/1M out
When to Choose Claude Opus 5
Choose Claude Opus 5 when you need Pinnacle autonomous software architecture, whole-system enterprise codebases, PhD-level scientific synthesis, and complex multi-agent delegation. and have an infrastructure budget aligned with $5.00/1M tokens.
When to Choose o3-mini
Choose o3-mini when you need Cost-efficient STEM reasoning, high-throughput math problem-solving, and structured code synthesis. and prioritize OpenAI ecosystem integration at $1.10/1M tokens.
Related Questions & Decision Factors
Which is cheaper: Claude Opus 5 or o3-mini?
o3-mini is cheaper at $1.10/1M input tokens compared to $5.00/1M for Claude Opus 5.
Which model has lower latency: Claude Opus 5 or o3-mini?
Claude Opus 5 delivers faster response times with an average TTFT of 340ms vs 1200ms for o3-mini.
When should you choose Claude Opus 5?
Choose Claude Opus 5 when you need Pinnacle autonomous software architecture, whole-system enterprise codebases, PhD-level scientific synthesis, and complex multi-agent delegation. and have an infrastructure budget aligned with $5.00/1M tokens.
When should you choose o3-mini?
Choose o3-mini when you need Cost-efficient STEM reasoning, high-throughput math problem-solving, and structured code synthesis. and prioritize OpenAI ecosystem integration at $1.10/1M tokens.